NEED TO KNOW
Luigi Mangione was charged with shooting and killing UnitedHealthcare CEO Brian Thompson in December 2024
Authorities arrested the Maryland native following a five-day manhunt and recovered an alleged manifesto
In April 2025, he pleaded not guilty to the state and federal charges against him
Five days after UnitedHealthcare CEO Brian Thompson was killed outside of a New York City hotel, police arrested Luigi Mangione as their prime suspect. In the months that followed the December 2024 killing, the former data engineer's notoriety has only grown as he faces multiple state and federal murder charges.
A billboard portraying him as a saint went up in Lower Manhattan, and supporters — some dressed as Luigi from Super Mario Bros. — have turned up at nearly all of his c